May be the twin-turbo version on the 13B engine created to electric power the 3rd-generation RX-seven launched in late 1991. Each individual rotor on 13B-REW has only one combustion chamber quantity of 654cc. With two rotors, the overall displacement was 1308cc. Great in shape to get a Mazda swap or https://stephenyngvm.thekatyblog.com/29001209/fascination-about-rotary-13b